<https://avenir.ro/codeigniter-tutorials/sessions-with-database-in-codeigniter/>
<http://schema.org/description>
"If we want more security and we are sure we can handle some overload of our database (if you have a lot of concurrent visits), we should save the session data inside a database. In this tutorial we will learn how to do this."
<https://avenir.ro/codeigniter-tutorials/sessions-with-database-in-codeigniter/>